http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Geospatial-Intelligence Agency.
Each edition supersedes previous edition.
Sailing directions (planning guide). Pacific Ocean and southeast Asia
Sailing directions (enroute) for the coasts of Korea and China
Sailing directions (enroute) coasts of Korea and China (CD-ROM)
Pub. (United States. National Geospatial-Intelligence Agency) ; 157